Which of the following is NOT an example of an exact number?

Chemistry

2 answers:

Mashcka [7]2 years ago

6 0

Answer:

The desk is 84 cm long

Explanation:

Exact numbers are either defined numbers or the result of a count

hope it helps!

klemol [59]2 years ago

5 0

Answer:

the desk is 84 cm long

Explanation:

A hexagon always have 6 sides.

A tricycle always have 3 wheels. That's why it's called tri

A tables Always have 4 legs. Well in most cases.

But a desk is not always 84 cm

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<h3>What is Molecular Orbital Theory?</h3>

According to this theory,

Molecular orbitals are formed by intermixing of atomic orbitals of two or more atoms having comparable energies
The number of molecular orbitals formed is equal to the number of atomic orbitals combined.
The shape of molecular orbitals formed depends on the type of atomic orbitals combined
Only atomic orbitals having comparable energies and the same orientation can intermix
Bonding M.O. is formed by the additive effect of atomic orbitals and thus, has lower energy and high stability.
Antibonding M.O. is formed by the subtractive effect of atomic orbitals and thus, has higher energy and low stability.
Bonding M.O. is represented by $\sigma, \pi, \delta$ while Antibonding M.O. is represented by $\sigma^*, \pi^*, \delta^*\\$